142025620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{645571}}^1$

素因数の和:645591

約数の個数: 24

約数和(自身を含む): 325368288

約数和(自身を除く): 183342668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 645571, 1291142, 2582284, 3227855, 6455710, 7101281, 12911420, 14202562, 28405124, 35506405, 71012810, 142025620]

約数ペア:

[(1, 142025620), (2, 71012810), (4, 35506405), (5, 28405124), (10, 14202562), (11, 12911420), (20, 7101281), (22, 6455710), (44, 3227855), (55, 2582284), (110, 1291142), (220, 645571)]